The SY89544U is a fast, low-jitter, 4:1 differential MUX with an LVDS (350mV) compatible output with guaranteed data rate throughput of 3.2Gbps over temperature and voltage. The SY89544U differential inputs include a unique, 3-pin internal termination that allows access to the termination network through a VT pin. This feature allows the device to easily interface to different logic standards, both AC- and DC-coupled without external resistor-bias and termination networks. The result is a clean, stub-free, low-jitter interface solution. The SY89544U operates from a single 2.5V supply and is guaranteed over the full industrial temperature range (-40°C to +85°C).Selects among four differential inputs Guaranteed AC performance over temp and voltage: DC-to > 3.2Gbps data rate throughput < 600ps In-to-Out tpd < 150ps tr/tf Ultra low-jitter design: < 1psRMS random jitter < 10psPP deterministic jitter < 10psPP total jitter (clock) < 0.7psRMS crosstalk-induced jitter Unique input isolation design minimizes crosstalk Internal input termination Unique input termination and VT pin accepts DCCoupled and AC-Coupled inputs (LVDS, LVPECL, CML) 350mV LVDS output swing CMOS/TTL compatible MUX select Power supply 2.5V ±5% -40°C to +85°C temperature range Available in 32-pin (5mm x 5mm) MLF® package